Which statements correctly describe what happened during Qin's rule? Select all correct answers.

A. The nobles moved to the imperial capital but continued to rule their districts.

B. A standardized system of weights and measures was adopted.

C. Officials standardized the writing characters to have the same meaning.

D. Each state retained its own currency.

E. A standard width was adopted for carts.

The maps below show the middle east. which best explains how the green areas depicted in the image on the left are reflected in the population map on the right? populations are greater in fertile areas that are close to freshwater sources, which is why more people live near deserts. populations are greater in fertile areas that are close to freshwater sources, which is why more people live near oceans. populations are greater in fertile areas that are close to freshwater sources, which is why more people live near mountains. populations are greater in fertile areas that are close to freshwater sources, which is why more people live near rivers. plz hurry in test only have 34 mins left

How did german physicist werner heisenberg's uncertainty principle shake beliefs in newtonian physics?

What does the term “escalation” refer to?